From 56e02f956b47b1131377f7d7e1d23797f4154e65 Mon Sep 17 00:00:00 2001
From: elral <3263285+elral@users.noreply.github.com>
Date: Thu, 17 Oct 2024 15:39:52 +0200
Subject: [PATCH 1/2] correct pin assignement for A6 and A7 for analog read

---
 src/MF_Analog/MFAnalog.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/MF_Analog/MFAnalog.cpp b/src/MF_Analog/MFAnalog.cpp
index 6fb31cba..94aef074 100644
--- a/src/MF_Analog/MFAnalog.cpp
+++ b/src/MF_Analog/MFAnalog.cpp
@@ -18,6 +18,12 @@ void MFAnalog::attach(uint8_t pin, const char *name, uint8_t sensitivity)
     _sensitivity = sensitivity;
     _pin         = pin;
     _name        = name;
+#if defined(ARDUINO_AVR_PROMICRO16)
+    if (_pin == 4)
+        _pin = A6;
+    else if (_pin == 6)
+        _pin = A7;
+#endif
     pinMode(_pin, INPUT_PULLUP); // set pin to input. Could use OUTPUT for analog, but shows the intention :-)
     // Fill averaging buffers with initial reading
     for (uint8_t i = 0; i < ADC_MAX_AVERAGE; i++) {

From 924db15b7f9d2cfeba91805507cad8e7942e950c Mon Sep 17 00:00:00 2001
From: elral <3263285+elral@users.noreply.github.com>
Date: Fri, 18 Oct 2024 08:15:02 +0200
Subject: [PATCH 2/2] add comment for required changes

---
 src/MF_Analog/MFAnalog.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/MF_Analog/MFAnalog.cpp b/src/MF_Analog/MFAnalog.cpp
index 94aef074..72c34953 100644
--- a/src/MF_Analog/MFAnalog.cpp
+++ b/src/MF_Analog/MFAnalog.cpp
@@ -19,6 +19,9 @@ void MFAnalog::attach(uint8_t pin, const char *name, uint8_t sensitivity)
     _pin         = pin;
     _name        = name;
 #if defined(ARDUINO_AVR_PROMICRO16)
+    // ProMicro has a special pin assignment for analog pins
+    // therefore reading from A6 and A7 does not work
+    // via "digital" pins. See also pins_arduino.h
     if (_pin == 4)
         _pin = A6;
     else if (_pin == 6)